Molarity

What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?

• 0.018 M
• 0.018 mol
• 1.052 M
• 1.052 mol

What is the molarity of 3 mole of hydrochloric acid in 3 L of water. 

• 3
• 1
• 6
• 9

How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 

• 3.18 L
• 0.31 L
• 3.85 L
• 4.6 L

If you have 0.045 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?

• 20.9 mol
• 0.021 mol
• 0.02 mol
• 0.0209 mol

How many moles are needed to make 2.5 L of a 3.8 M solution? 

• 9.5 mol
• 0.66 mol
• 1.5 mol
• 15 mol

If there is 0.09 mol NaCl dissolved in 0.80 L of solution, what is the molarity?

(round the answer to two sig figs)

What is the molarity of 4 grams of KNO₃ in 3.8 L of solution?

• 0.01 M

• 0.02 M

• 1.05 M

• 1.08 M

What is the volume (in liters) of a 0.20 M solution that contains 0.30 moles of Na₂SO₄ dissolved in it?

• 1.5 L
• 0.060 L
• 0.67 L
• 2.3 L